The Simpson 3-1/8 in. Beam 6X Post Black Column Cap is a structurally engineered connector designed for column-to-beam connections in wood construction where both performance and appearance matter. Built by Simpson and part of the Classic Collection, this connector features modern smooth edges, clean lines, and a black powder-coat finish that makes it a natural fit for exposed architectural applications in residential and commercial framing. Its seat design extends the bearing surface beyond each side of the column, helping distribute load effectively while adding support and stability to the overall connection. Certified welds and bolt spacing engineered to meet NDS code requirements give builders confidence in high-load conditions, including those driven by earthquake or wind forces.

Key Features

• Classic Collection design with black powder-coat finish - delivers modern smooth edges and clean lines, making this cap a strong choice for visible, exposed installations where connector appearance is part of the finished look.
• Extended seat bearing surface - reaches beyond each side of the column to distribute beam load more evenly, improving connection stability under both standard and demanding structural conditions.
• Certified welds and NDS code-compliant bolt spacing - gives contractors and inspectors assurance that the connection meets recognized structural standards for residential and commercial wood framing.
• Engineered uplift resistance - supports applications where earthquake or high-wind loading is a concern, making this cap suitable for structurally critical column-to-beam connections.
• Domestic manufacturing - produced in the United States, reflecting consistent quality control aligned with the Simpson brand standard.

Why This Product

• Aesthetics and structure in one connector - the black powder-coat finish and smooth Classic Collection styling mean you do not have to choose between a clean visual result and a strong, code-compliant connection.
• Engineered for high-load environments - certified welds and NDS-compliant bolt spacing make this cap a reliable option when seismic or wind-uplift resistance is a project requirement, not just a preference.
• Precision fit for 3-1/8 in. beam and 6X post - purpose-built dimensions reduce guesswork during installation and help ensure the structural integrity of the column-to-beam joint from the start.
• Trusted Simpson brand quality - backed by a manufacturer with deep roots in engineered structural connectors, giving builders and architects confidence when specifying hardware for visible, load-bearing applications.

Specifications

• Manufacturer: Simpson Strong-Tie
• MPN: CC3 1/4-6PC
• Beam Size: 3-1/8"
• Post Size: 6X
• Thickness: 7 Gauge
• Finish: Black Powder Coated
• Collection: Classic Collection
• Beam Width: 3-1/8 in.
• Width 1: 3-1/4 in.
• Width 2: 5-1/2 in.
• Length 1: 11 in.
• Height 1: 6-11/16 in.
• Country of Origin: United States

Approved Applications

• Indoor architectural wood construction projects
• Column-to-beam connections where connectors are visible and aesthetics are a priority
• Structural applications requiring engineered uplift resistance for earthquake or wind loading
• Projects requiring NDS code-compliant bolt spacing
• Residential and commercial wood framing requiring strong, certified-weld connections

Note: Product dimensions and/or screw or bolt holes may differ from picture.

Frequently Asked Questions

What beam and post sizes is this column cap designed to fit?

This column cap is specifically designed for a 3-1/8" beam and a 6X post, making it important to confirm your lumber dimensions match before installation.

What finish does this column cap have, and is it suitable for exposed or visible applications?

This column cap features a black powder-coat finish, which gives it a decorative, sleek appearance. It is part of Simpson Strong-Tie's Classic Collection with modern smooth edges and clean lines, making it well-suited for exposed architectural applications where aesthetics matter.

How does this column cap handle high-load conditions such as those caused by earthquakes or high winds?

This column cap is engineered with uplift loads increased for earthquake or wind loading, certified welds for strength and loading confidence, and bolt spacing that meets NDS code requirements - all of which help it perform reliably in both standard and high-load conditions.

What is the gauge thickness of this column cap?

This column cap is constructed from 7 gauge steel, providing a robust and durable connector for wood construction applications.